i had an occasion to have to look up windows client behavior when it came to dns. specifically, i wanted to know how the client behaves when the primary name server is offline. before i had to fire up packet trace and check for myself, i stumbled on a couple of useful articles that spell it out. UPDATE: had a conversation with a talented linux dns guy and discovered a few more useful things to note. dns client resolver behavior dns client resolution timeouts dns forwarders and conditional forwarders resolution timeouts in summary, it works as follows: dns query sent to preferred if no response within 1 second, dns query sent to alternate if no response within 1 second, dns query sent to preferred again if no response within 2 seconds, dns query sent to preferred and alternate if no response within 4 seconds, dns query sent to preferred and alternate again if no response within 7 seconds, process times out something to note for linux systems, these appear to be default val
notes, ramblings, contemplations, transmutations, and otherwise ... on management and directory miscellanea.